Rotary reversible steam-engine.



APPLIUATIQN FILED JULYZS, 1906.

l E ,M A

PATENTED OCT. 23, 1906.

2 sHEETs-BEEET 1.

PATENTED OCT. 23, 1906.

J. H. D. BEAUCAGE.

I v ROTARY REVERSIBLE STEAM ENGINE.

APPLIOATION FILED JULY 2s. 190e.

UNITED STATES JOSEPH E'. D. BEAUCAGE. or

PATENT O EEICE.v

PITTSFIELD, MASSACHUSETTS.

` ROTARY REvERslBLE STEAM-ENGINE.

u No.' 884,041.

rovements in.' Rotary 4,Reversible Steamngines, ofwhich the f ollowingis a full, clear,"and exact description.

Thisl invention relates i to improvements in steam-engines of the rotary-piston type, and

` steamengine in which the components lzo corresponding i 1 body having parallel'cy I Ior openings extending throughfrorn. side to rangement scribed, and set forth 1n the claims.

accompanying d Fig. 1. gine. Fig. 4 is more partlcularly to a rotary-piston steam' engine in which the ,steaminay be employed expansively y engine being, moreover, capable of reversal. The Object of theinventionis to'pfoduce ai an arrangements' are of a comparativel lfew and very simple character, suscepti le of production by inexpensive mechanical opera-- Theinvention consists in an engine comprising chambers, valve sockets or bores, steamways, y.inlet, cut-olf, and exhaust valves, a rotary body,l and other appliances in form an aras. hereinafter particularly de- Tlie improved engine is illustrated in the rawings, in which- Figura-1 issubstantially a central sectional view through the engine as taken on a glane at right angles to the engine-shaft. ig. 2 is a vertical sectional view through the engine astaken on a plane at right angles thereto indicated by lines 2 2, Fi 1. Line 1 1, Fig. 2`, indicates the lane o sectionofA Fig. 3 isa front e evation of the en-A a side view of thesteam-inlet valve,`which is oil valves, Fig.y being a cross-section of the same as .taken on the line 5 5, Fig.,4. Fig. 6

is a side view of onel of the duplicated exi haust-valves, Fig. 7 bein the sameon the line? 7,-F1g. l

erspective view showing t e oppositelyocated piston blades or wings Whic' are itted within and carried by the rotatable body in the working chamber of the engine.

Similar characters of parts Ain all of the views. In the drawings, A re resents the engineindrical cross, bores a cross-section of side thereof, butcl'osedby the o posite sidel plates c2' a?, which-"by the bo es@ -z are' Specication of 'Letters Patent. Appumion and July 23.1900. serialize. 927.915.

H. D. BEAU-:-

a resident of Pittsfield', in the county' of Berkshire 4and State of 'Massachusetts,

Ahave invented certain new anduseful Im-f ratenteaoct. yas, i906.

central portiomAof'the engine-body.

tightly secured to the opposite sides ofthe.

Particularly pointing out the .above-rel j ferred-to transverselyextending bores -.or chambers, the'en e-body is seen to comprise the cylindrical chamber B, which is the Working chamber ofthe engine, above Y which in the median line'zof the body isthe inlet-valve bore i, cylindrical cut-o-valve bores c c, separated from-and at opposite located exhaust-valve bores e e, separated with high eiiiciency, and said-l blade .or wing car ing.

identical in form to the cut-v 6' and Fig. Sis a' reference indicate..

from and lower than the inlet-yalve bore, allr suchbores being in 'parallelism withthe axis ofthe Working Within the enginebody above the ,inletvalvefbore is a steam chest -or chamber s, leading vertically to which from above is the gine-bodyis,

air of oppositel -located -steamways lfb, eadin 'from themlet-valve bore to the lopposite y.located cut-olf-valve bores c, 'and the lattenbores with the working ham er at opposite sides and near-the top thereof, while the upwardly-extending,

working bores e c. The engine-body is, furthermore, constructed at its lower .central portion be. lowthe working chamber B with an exhaustway and'withcurved exhaust-outlets f f2, leadln within 'the' thickness of the lenginebody vom the exhaust-valve bores e downwardly and toward each other and,A connectingwith the said exhaust-Way i -D represents a cylindrical rotatable bod ally eccentrically thereof, its top .being peripherall y in contact 'with the up er' Wall of the working chamber centrally* etween the steamways d the crescent-shaped space, as shown inv Fig. 1. The said rotata le bod4 outwardlympem sides of the mlet-valve bore and opposltelycylindrical chamber B. l

Iwith oppositely-located T-shaped Ways d d, connect l which is as long" as `the workmgrhamber .has formed as onel from the cut-o-.valve bores, and farther 7. steam-inlet passage s', and leading .from s -which to the inlet-valve bore fi is the steamyinlet passage lor continuation s. The enmoreover, constructedwith the 'branchesd d' -have' connections betweenthe chamber and. the. exhaust-.valve`l mounted within'the working chamber 'axlf .i

ioo

d and constituting, 1n conjun;d tion with the wall of theworkmg chamber.,

lio

. lindrical body D and the wor the vinner Walls or bases of such'pockets being connected-'by one or more circular holes h;

P. P represent a pair of piston bladesl or. wings ofl exactly the-same. le thas thecy- Y ning .chamber B, the sare being fitted and slidable inwardly and loutwardly in the said recesses or pockets g and haveat their inner' `edges stems which are fittedin the' aforementioned hole icvwhich'connects-'the opposite blade-pocketsy g g, and a helical spring g liesin the center. offthehole-'h in" compression between the -stemsandexertsan outwardly-femm yaction to 'maintain theI blades v-al-ways 'wit their' outeredges in yield-i con tact-'against vthe ycircular -wa'll of the wdijng .chamber B.l v

l'represents the inlet-valve'f a general Acyl-ind'rical-i-ihape-oloselyto;itl arid-*to have `reversing rotative movements. within the 4inzo let-valve4 ore i,4 and, yas clearly shownin the drawings; this valve has the opposite sides 4of its body=portion recessed onslabbed' off,y as indicated at 'i2 t, the length of lsuchrecesse'd i'tio'ns being.y understoodv as of the same: 25 ength'aslthe wa'ysb b. The cylindrical -inlet-valve has' theI turned-.down -endlporti ons 1?*111 to constitute -joirnals therefor iii-circularjournal-holes therefor-'and to be iittedi-n and through' circular -journz'il-holes in the opposite end-olosin plateau' `ofthe engine-body. Thecut-,oi-va ves. C-C=are, lor Ina-y be', of the identical form'and dimensionsA vas lthe inletvaiveilffa-nd 'on the extended 'journals at one; endrof eacliis-afflxed a spur gear-wheelJ, the spur-gearsof bot-h cut-0H valvesrunning in mesh'` vizi thI the- -aflorementione'dspur-gear on the 'en e-shaftt Both of vItherveibhaust-: valves-'ge f la--Jsirnilar cylindrical :shapek tot' the inlet and cut-oil ValVeaWithftheeiQXeefp-l tion that'eacli `has`a"recessed yor slabbe'd- ]g ortionxe3 on'lyat one side thereof.` :Gn one f theournal extensions 'i3 'of the inlet-valve isf ly alixed za lever L/-havinga handle extensionfl,4 and to end-journal-extensions of the --eirhaust-valves' are: affixed 'radiai'lyi extendingy levers M `M,' to'V t-h "whichare pivoted- Alinks `N FN, 'which are pivoted'to oppositely-extended ear-piecesfn "n, -f theaforesaid handle-lever.. 'Theseprm isions';s -i-n `conjunction"witlithe inlet andy. exhaust valves ,5 having lthe. constructions` sta-ted". Vconstitute the entire-reversing means-necessary foLI'fethis engine.; l Y'srepresented in- Fi 3, the handle-lever L is'shownfas provided vith an".indexnger or pointer. 0,:'aiid on,l the face of the adj acent end vwail ofthe engine oppositelyf-pointmg arrows -flr'rfare castor engraved, the pointer, incon- /)unction-witlrthefarrow next to which it may 6o` i e" positioned, indicating lthe 'direction l. in which the engine is'todiaveL'itsrunning' rotationV as 'insured .by positionsnof the valves enntrdlledvbythe handle-lever.. New .as to the operation: It -till` be ap ar` 6 5 entthaQ-whenthe inlet and eaustfva veel when the unrecessed centra inlet-valve downwardly inclined to the iight- .ward the steam from the chamber or steamchest will 'of course,-is-the -cnt-ffvaive when and it is easy to be perceived` thatwwhenxthe handle-lever is thrown to the reversed posivfromA the inlet jthe u eextreinities off "ri are set'as shown in Fig. 1 (in ositions reversed lfrom those -establishe handle-lever is in the 3)- the rotatable have the direction 'ofrotation as indicated by v position shown inFi body and engine-shaft W1 lhe arrow in Fig. 1, it bein apparent that portion ofthe passl downwardly to the rightward through t arilym the position of teamway d, being obstructed from thence passin to the exhaust-way by. the solid portion o the exhaust-valve positioned against he branchwa he contracte I.' t

d3, anfdy tlesteflm willenter spacelatt eiriv -upper porion of the working chamber d3,

right-hand piston-plate Rand will be effective by direct pressure and also by expansion after the cut-off valve Ishall have been closed. against sucht plate to force it fully or more anv half-way around, and when the oppoite piston-plate hascome, around pastthe right -hand steamway d/the first. plate will pass .the left-hand the exhaust ol' the engine through the branch d2 of thel--left-hand ward recessedportion ofthe left-hand exhaust sva'lve-andI th rou -h thehleft-hand exi'ia'ust through the steamway 11,' permitting \way 'dthrough' the-rightmay bey mentioned at when the engine-valvesareset as Fig.

l-1 the left-hand. cut-oile valve C, `while coninuouslyrotating,'performs no funetion,-as, case with f thet right-hand fthe `engine is-reversed,

ion indicatediiif. Fig. 3 the-solid middle -porion of the inlet-valve will be inclined fdo.

ghtand portion; andtheexhaust-valves be so tur-ned that the solid portion oi? the left one cuts off connection 'trom the leftha-nd steamwa?r passa ej"2 -whi `'rightan exhaust-valve will--establishcom- `m-unication 'from 5th tlfirough the. right-hand' eXhaust-passage'f't.

to theleft-han'd exhauste the: recessed :portion-.of the e working -ehainber This engine asV viewed-froinfthe standoi-nt-of a machinist -orengine builder exibits attractiveness' because of the very'lew, simple, easily-formed, and pieces which are lcomprised I claimmachine-finished in4 the engine.

1. rIna' reversible rotary steam-engineflan engine #body having. a cylindrical working ehamber, 'f and "an'd within-such-bod locatedeyiindrical dricalgcut-oif-valve having outwardly therefrom,

,1 an 'intermediatelyet-valve bore, cylin- -bores separated'from ibehlin'd' the' y vwhen the v roo wardly` and'to the left, opening lstea-mway v l into the working-chamber at per left -hand' instead f of f the fupper.

75 e .right -hand steamway b and l-while the right-hand cut-ofi valve is momen- Fig.- 1 will pass to the 5 bores be located .steamways leading io tothe cut-off-valve bores, and wa I from the latter bores into the working chamsuch Ways -i y zo and edgewis x valve, rotarvcut-Joif valves,

z5 imparting continuous rotary motions t'o I cut-0H valves. i

4s "sa chamber., 65,y an intermediately-located cylindrical inletand at opposite sides of the inlet-valve bore, and oppositely-located exhaust-valve bores separated from the 'cut-oif-valve bores, and fartherfrom the inlet-valve bore, all said in axial parallelism with. the workingl c indri'cal chamber, and said engine-body,` avin aninlet-openir'ig leading to the'inlet-valve. ore, -a pair of. oppositelyfrom such bore ber at opplosite sides of its medianline,

aving` branched passage s leading tol the exhaust-valve bores', an exhaust'-l i 5 outletslead-ing from the exhaust-valve bores, a cylindrical rotatable body moun'ted within the working .chamber'and haviiiga main lshaft as part thereof, Wings 'or blades'carried by, and-radially extended from, said body bearfing against the workinga reversible cylindrical inletand reversible exhaust-valves fitted fortheir movements in the respective bores therefor, and means focii sai chamber Wall,

. 2. In a reversible rotary steam-engine, an

enginebody .having a cylindrical "Working `chamber, and having outwardly. therefroml 5o an intermediately-located cylindricall inletvalve bore,. cylindrical cut-o-valve bores se larated' from and at 'opposite sides of the in et-valve bore, andoppositely-located exhaust-valve bores se arated from, the cut- 35 lofi-valve bores, and

arther from the inletvalve bore, all said bores .being in axial parallellism withpthe worki c lindricalchambar,'and said.` engine-bo y aving an inletopeiiin leading to they inlet-valve bore, a air o oppositely-located steamways leading from such boreto the'cut-oif-valve bores., ways leading from the latter bores into the working chamber at ogposite sides of its me-4 dian line, :such ways aving branched pasa es leadin to the exhaust-valve bores, and `-austout ets leading from the exhaustvalve bores, a cylindrical rotatable body eccentrically mounted within the-v working chamber, periph rally in contact with one 5o` side of the chamber-wall, having outwardlyo ening blade-pockets, vand havi a main s aft as part thereof, `t'lades carrie by said `bod inwardly and outwardlymovable inthe jpoc ets therein, and springs having out- 5 wardly-forcing actions against said blades, a rotatively-reversible cylindrical inlet-valve,

rotary cut-off valves,

and ro tatively-reversii bleexhaust valves,

fitted for their movements in the respective bores therefor', and 46o vmeans for imparting rotary motions to said cut-off valves., j 3. In areversible rotary steam-engine, an engine-body ha Va cylindrical working and hlauylig loutwardly therefrom Vi et-valve bore, andoppositely-located s leadingu cylindrical inlet-valve,

vposite y-located'. lsteamways mounted 'within the working valve bore, cylindrical cut-off-v'alve bores se' arated from and at opposite sides of the haust-valve Abores .se -v alve bores, and fart er from the inlet-valve bore, allsaid bores being in axial parallelism with the'working cylindrical chamber, and said engine-bod having -aiil inlet-opening vleadin to the i et-valve bore, a air of opposite y-located steamways lea ing from such boreto the cut-oii-valve bo'res, wavs leading from the latter bores into the working chamber at-o posite `s'des of its-median line, such ways liavng leading to,A the exhaust-valve 4 bores, haust-passages' leadin from the exhaiistf valve bores, a cylin rical rotatable body mounted within the .working chamber and having .the engine-shaft as art. thereof, win .or blades carried by,.an radially exten ed from, said body and' edgewise bearing against the working-chamb er Wall a reversible rotary cut-off valves,

and -exand revers'ble exhaust-valves fitted for their l `movements inthe respectivev bores therefor, said inlet and cut-oli valves having reversed or slabbed formations at their opposite sides,

andv said exhaust-valves recessedor slabbed formations at one side only,y a gear-wheel on the engine-shaft, and gear-wheels on the cutoff. valveswithwhich'v the first-named gearis in mesh. r

14. In a reversible. rotary steam-.engine,gari engine-body having Aa cylindrical working chamber, and having'outwardly therefrom an intermediately-located cylindrical inletvalve bore, cylindrical`-cut-ofvalve bores se aratedfrom and at opposite sides ofthe IOO i etvalve bore, and oppositely-located exhaust-'valve bores separated-from the cut-off- -valve bores, and farther from the' inlet-valve being in axial parallelismcylindrical chamber, and

bore, all said bores with the working s'aidf.- engine-bod having an inlet-opening lead' tothei et-valve bore a air of'oples ing from such bore to 'the cut-oif-valve bores, and ways' leading from the latter bores into the worki lchamber'at opposite sides'of its median 'ne, such ways having branched passa s leading to the exhaust-valve bores, and e aust-outlets leading fromtheexhaustvalve'- bores, a cylindricall rotatable body chamber and having a main shaft as part t ereof, wings or blades carried by, and radially lextended from, said body and edgewise bearing against the working-chamber wall, a reversible cylindrical inlet-valve, rotary cut-'off valves, and reversible exhaust-valves tted for their 'movementsin the res ective bores therefor, a lever having a hand e,

connected to the. inl let-valve, levers connected tol the exhaust- :"5 maiin'shaft asdpart thereof, wings or blades Wingsor b for impartilg contmuous rotary movements sage leading from the top of the body to said to the cut-0 valves.- v steam-chamber, an intermediately-located 5. In a reversible rotary steam-engine, an c lindrical inlet-valve bore, below the steamenginebo'dy 'having ai cylindrical Working c amber, cylindrical cutoffvalve bores sep- 5 chambery and having' outwardly therefrom arated from and at opposite' sides of the inlet- 5o an intermediately-located cylindrical inlet'- `valve bore, and Voppositely-located exhaustvalve bore, cylindrical cu -Off-valve bores valve bores separated from the cut-off valve arated fromandat opposite sides of the bores, and farther from the inlet-valve bore, g1 et-valve bore, and opposi-ely-located ex- 4'all said bores 'being in axial parallelism with ro haustrvalve bores separate'lom the cut-ofthe working cylindrical chamber, and said 55 valve bores, and farther -from the inlet-valve body having an ,opening leading vertically bore, all said bores being in axial parallelism from' the steam-chamber to the inlet-valve vwith the Working cylindrical chamber, and bore, ay pair ofop ositely-located steamways said engine-body having an inlet-opening leading from such) bore to the cut-off-valve 5'leading to the inlet-valve bore, a air of op-' bores, and T-shaped ways connecting the 6o positelylocated steamways lea` 'ng` froln latter bores with the Wor ing chamber and such bore to the cu-t-olf-valve bores, and connecting the latter chamberfwith the exways leading from the lat-terbores int-o the haust-valve bores, and having curved ex- Working chamber at opposite sides of its mehaust-outlets leading with-in the engine-body 2o dianline,suchwayshavingbranchedpassages fromthe exhaust-valve bores, downwardl '-65 leading to the exhaust-valve bores, and exand toward each other and connecting Wit 1 haust-outlets leading from theexhaust-valve said exhaust-way, a cylindrical rotatable bores, acylindri'cal rotatable bod mounted body mounted within the working chamber the working chamber a having a and having a main'shaft as art thereof,

- carried by, an radially extended from, Asaid tended'from, said bod and edgewise bearing body andedgewise bearing 'a ainst the workagainst the Workin -c amber wall, a reversi- `ing-chamber Wall, a reversib vcylindrical inble cylindrical vin et-valve, rotary cut-ofi let-valve, rota cut-off valves, and 'reversivalves, and reversible exhaust-valves fitted 3o ble, exhaust-va ves fitted for 'their Inovefor their movements in the respective bores 75 ments in the respective bores therefor, a letherefor, a gear-wheel on the engine-shaft ver having a handle, connected to the inletand gear-wheels,` in mesh therewith, on the valve, levers lconnected to the exhaustev'alves cut-off valves, a lever connected to the inlethaving a pointer, linksv connecting said exvalve,levers connected to the oppositely-lodes carried by, an radially ex- 7o gg'l'haustvalve levrswith the'inlet-valve lever, cated exhaust-valves, and links connecting 8o reversel -pointing motionindicating arrows said exhaust-valve' levers with the inleton the a'ce ofthe engine-body adjacent the valves. inlet-valve andin relation to either of 'which Signed by me at Springfield, Massachuv said pointer vI naybe positioned, and-means setts, .1n presence `of two subscribing wit- 4olfor impar-tin t'ontinuous rotary movements `nesses.

to the cut-o valves. s

6. Ina reversible rotary steam-engine, an JOSEPH D BEAUCAGE' .engine-body having a ycylindrical working Witnesses:

.-chamben liavingothereabove a-steam-cham- WM. S. BELLoWs, 45 ber and therebe W an exhaust-Way, a pas- G. R. DmscoLL. 

